Question

What does $3$ factorial mean?

Answer 1

Finding the value of $3$ factorial

Factorial: It is a function that multiplies a number by every preceding natural number. It is denoted by a symbol $!$ .

The general formula of factorial is $n!=1\times 2\times 3\times 4\times \cdots \times \left(n-1\right)\times n$

Factorial of $3$ means, the multiplication of natural numbers from $1$ to $3$.

$3!=1\times 2\times 3$

$\Rightarrow$ $3!=6$

Hence, the factorial of $\mathbf{3}$ mean product of first 3 natural number.